diff options
Diffstat (limited to 'src/asm.rs')
| -rw-r--r-- | src/asm.rs | 30 |
1 files changed, 15 insertions, 15 deletions
@@ -44,7 +44,7 @@ pub fn delay(cycles: u32) { } /// A no-operation. Useful to prevent delay loops from being optimized away. -#[inline] +#[inline(always)] pub fn nop() { // NOTE: This is a `pure` asm block, but applying that option allows the compiler to eliminate // the nop entirely (or to collapse multiple subsequent ones). Since the user probably wants N @@ -59,28 +59,28 @@ pub fn nop() { /// /// Can be used as a stable alternative to `core::intrinsics::abort`. #[cfg(cortex_m)] -#[inline] +#[inline(always)] pub fn udf() -> ! { unsafe { asm!("udf #0", options(noreturn, nomem, nostack, preserves_flags)) }; } /// Wait For Event #[cfg(cortex_m)] -#[inline] +#[inline(always)] pub fn wfe() { unsafe { asm!("wfe", options(nomem, nostack, preserves_flags)) }; } /// Wait For Interrupt #[cfg(cortex_m)] -#[inline] +#[inline(always)] pub fn wfi() { unsafe { asm!("wfi", options(nomem, nostack, preserves_flags)) }; } /// Send Event #[cfg(cortex_m)] -#[inline] +#[inline(always)] pub fn sev() { unsafe { asm!("sev", options(nomem, nostack, preserves_flags)) }; } @@ -89,7 +89,7 @@ pub fn sev() { /// /// Flushes the pipeline in the processor, so that all instructions following the `ISB` are fetched /// from cache or memory, after the instruction has been completed. -#[inline] +#[inline(always)] pub fn isb() { compiler_fence(Ordering::SeqCst); #[cfg(cortex_m)] @@ -106,7 +106,7 @@ pub fn isb() { /// /// * any explicit memory access made before this instruction is complete /// * all cache and branch predictor maintenance operations before this instruction complete -#[inline] +#[inline(always)] pub fn dsb() { compiler_fence(Ordering::SeqCst); #[cfg(cortex_m)] @@ -121,7 +121,7 @@ pub fn dsb() { /// Ensures that all explicit memory accesses that appear in program order before the `DMB` /// instruction are observed before any explicit memory accesses that appear in program order /// after the `DMB` instruction. -#[inline] +#[inline(always)] pub fn dmb() { compiler_fence(Ordering::SeqCst); #[cfg(cortex_m)] @@ -136,7 +136,7 @@ pub fn dmb() { /// Queries the Security state and access permissions of a memory location. /// Returns a Test Target Response Payload (cf section D1.2.215 of /// Armv8-M Architecture Reference Manual). -#[inline] +#[inline(always)] #[cfg(armv8m)] // The __tt function does not dereference the pointer received. #[allow(clippy::not_unsafe_ptr_arg_deref)] @@ -158,7 +158,7 @@ pub fn tt(addr: *mut u32) -> u32 { /// access to that location. /// Returns a Test Target Response Payload (cf section D1.2.215 of /// Armv8-M Architecture Reference Manual). -#[inline] +#[inline(always)] #[cfg(armv8m)] // The __ttt function does not dereference the pointer received. #[allow(clippy::not_unsafe_ptr_arg_deref)] @@ -181,7 +181,7 @@ pub fn ttt(addr: *mut u32) -> u32 { /// undefined if used from Non-Secure state. /// Returns a Test Target Response Payload (cf section D1.2.215 of /// Armv8-M Architecture Reference Manual). -#[inline] +#[inline(always)] #[cfg(armv8m)] // The __tta function does not dereference the pointer received. #[allow(clippy::not_unsafe_ptr_arg_deref)] @@ -204,7 +204,7 @@ pub fn tta(addr: *mut u32) -> u32 { /// state and is undefined if used from Non-Secure state. /// Returns a Test Target Response Payload (cf section D1.2.215 of /// Armv8-M Architecture Reference Manual). -#[inline] +#[inline(always)] #[cfg(armv8m)] // The __ttat function does not dereference the pointer received. #[allow(clippy::not_unsafe_ptr_arg_deref)] @@ -224,7 +224,7 @@ pub fn ttat(addr: *mut u32) -> u32 { /// /// See section C2.4.26 of Armv8-M Architecture Reference Manual for details. /// Undefined if executed in Non-Secure state. -#[inline] +#[inline(always)] #[cfg(armv8m)] pub unsafe fn bx_ns(addr: u32) { asm!("bxns {}", in(reg) addr, options(nomem, nostack, preserves_flags)); @@ -234,9 +234,9 @@ pub unsafe fn bx_ns(addr: u32) { /// /// This method is used by cortex-m-semihosting to provide semihosting syscalls. #[cfg(cortex_m)] -#[inline] +#[inline(always)] pub unsafe fn semihosting_syscall(mut nr: u32, arg: u32) -> u32 { - asm!("bkpt #0xab", inout("r0") nr, in("r1") arg, options(nomem, nostack, preserves_flags)); + asm!("bkpt #0xab", inout("r0") nr, in("r1") arg, options(nostack, preserves_flags)); nr } |